AS50300 CustodianDC Limited
AS50300 (CUSTDC) is registered to CustodianDC Limited in GB. It originates 46 prefixes in the global routing table.
Who holds AS50300
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS50300 announces
Prefixes originated by AS50300 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
RPKI valid RPKI invalid no ROA covers it
Who AS50300 is reached through
The AS just before AS50300 in the paths our looking glass collectors hold, for 46 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS50300 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.
The 1 ASes that name AS50300 as a provider
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | CUSTDC | RIPE-NCC-END-MNT, MNT-CUSTODIAN |
Route objects with origin AS50300: RIPE 88